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render-hook-replacement

separate

Replace an existing video's opening with a supplied clip or free kinetic text hook while retaining and verifying every original body frame, audio, captions and ending. Use for surgical hook tests rather than regenerating the complete ad.

When to use

• Perform one hard-cut opening replacement with immutable source identity and decoded retained-body verification. There is no fixed three-second boundary, mandatory creator, new music, body regeneration, whole-video caption pass or automatic…

When not to use

• Regenerating the complete ad
• Whole-video caption pass
• Body regeneration
• Automatic final selection
• New music generation
• Mandatory creator

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Source